• Journal of Korea Multimedia Society
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• v.11 no.5
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• pp.623-632
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• 2008

In this paper, we used the color transfer function and the opacity transfer function for the internal 3D object visualization of an image volume data. In transfer function, creating values of between boundaries generally is ambiguous. We concentrated to extract boundary features for segmenting the visual volume rendering objects. Consequently we extracted an image gradient feature in spatial domain and created a multi-dimensional transfer function according to the GPU efficient improvement. Finally using these functions we obtained a good research result as an implementing object boundary visualization of the graphic hardware based 3D texture mapping.

• Journal of the Institute of Electronics Engineers of Korea TC
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• v.39 no.10
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• pp.27-37
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• 2002

In this paper, we present various combined field integral equation (CFIE) formulations for the analysis of electromagnetic scattering from arbitrarily shaped three dimensional homogeneous dielectric body in the frequency domain. For the CFIE case, we propose eight separate formulations with different combinations of testing functions that result in sixteen different formulations of CFIE by neglecting one of testing terms. One of the objectives of this paper is to illustrate that not all CFIE are valid methodologies in removing defects, which occur at a frequency corresponding to an internal resonance of the structure. Numerical results involving far scattered fields and radar cross section (RCS) are presented for a dielectric sphere to illustrate which formulation works and which do not.

• Journal of the Institute of Electronics Engineers of Korea SP
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• v.48 no.5
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• pp.23-29
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• 2011

There have been many studies on red tide due to increasing damage from red tide on fishing and aquaculture industry. However, internal study of automatic red tide image classification is not enough. Recognition of red tide algae is difficult because they do not have matching center features for recognizing algae image object. Previously studies used a few type of red tide algae for image classification. In this paper, we proposed the red tide image recognition method using semantic features of NMF and roundness of image objects.

• Convergence Security Journal
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• v.19 no.4
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• pp.107-113
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• 2019

Data security is the planning, implementation and implementation of security policies and procedures for the proper audit and authorization of access to and use of data and information assets. In addition, data serviced through internal / external networks, servers, applications, etc. are the core objects of information protection and can be said to focus on the protection of data stored in DB and DB in the category of information security of database and data. This study is a preliminary study to design a proper Data Security Management System (DSMS) model based on the data security certification system and the US Federal Security Management Act (FISMA). And we study the major security certification systems such as ISO27001 and NIST's Cybersecurity Framework, and also study the state of implementation in the data security manager solution that is currently implemented as a security platform for preventing personal data leakage and strengthening corporate security.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.6 no.2
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• pp.288-293
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• 2002

It is possible to classify image data into two types according to the internal representation: one is bitmap, the other is vector. A bitmap image is represented by the two dimensional pixels whereas a vector image is represented by mathematical functions to draw vector objects such as line, rectangle and circle on the two or three dimensional space. So it is necessary for users to use a individual application program for each different image. In this paper, we present a method for design and implementation of image editing tool based on combining of bitmap and vector image.

• Journal of the Korean Society of Costume
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• v.61 no.9
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• pp.114-130
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• 2011

The purpose of this research is to analyze expressional traits and meanings of hommage expressed in the 2000s' fashion, based on studies of film, art, and design areas. For achieving the purpose, this research surveys related research works and performs a demonstrative analysis of fashion collection photographs. The scope of this study is from 2000 to 2011. The results are as follows: First, the term of hommage is generally used to mean any show of respect publicly to someone or something one feels indebted. Second, artists and fashion designers pay hommage to various objects to show respect and love, and they also empathize with them. Hommage works are recreated ones, not just simply copied or repeated ones. They are new but familiar. Third, expressional traits of hommage in the fashion of 2000s are categorized into reinterpretation, insertion, inclusiveness, and symbolization. The internal meanings are respect and love, communication and empathizing, interaction with art, and recreation. In conclusion, by using hommage technique, fashion designers in the 2000s create something new with their own experiences and creativities while pursuing the timeless values.

• Journal of the Korean Society for Precision Engineering
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• v.13 no.2
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• pp.68-75
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• 1996

More accurate inspection method for facilities of nuclear power plants is required to guarantee the continuous and stable energy supply. The portion of inspection for pipes and pressure vessels is relatively big in the power plants. Conventional inspection methods using ultrasonic wave, x-ray and eddy current for nondestructive testing in nuclear power plants have been performed as the method of contact with objects to be inspected. With this reason these methods have been taken relatively much time, money and manpower. And the area to be inspected is limited by the location of probe or film. These difficulties make the inspection into a time-consuming work. We propose an optical defect detection method using phase shifting realtime holographic interferometry. This method has an advantage that the inspection can be performed at a time for relatively wide area illuminated by the laser beam, a coherent light source and can help an inspector recognize not only defects but also the high stressed areas. In this paper we show that the quantitative measurement using holographic interferometry and image processing for defect in pressure vessels is possible.

• The Research Journal of the Costume Culture
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• v.2 no.2
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• pp.415-443
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• 1994

This thesis, drastically breaking from the prior form of art, searched mutual relationship between surrealism centering around surrealism which tried to liberate the spirit of humanbeing by investigating internal world of the humanbeing. That is to say, it is the purpose of this thesis to study the relationship between artistic trend and costume by grasping how the artistic trend of an age was specifically accepted and expressed to the modern costume as the foundation of fashion. Followings are the searched results for searching mutual relationship of the surrealism and modern costume. At first, surrealism made it possible from modern costume to an expression of formative art, and at the same time emerge from existed uniform costume, and thus presented new possibility to the harmony of costume and art with fresh and avant-garde sense. Second, by being applied the expressing method of depaysement which could materialize surrealistic image to the modern costume from various angels, and thus it suggested new aesthetic conception different from general conception of the traditional costume. Third, with regard to modern costume, introduction of various object due to thought of surrealism was a new and innovative attempt, and thus it suggested infinitive possibility of creation. So, it suggested that we could thrown away a fixed idea and that every objects could be moulded. As the result of the afore-said, wide application of the idea and formative feature of surrealism with regard to modern costume did not only ring the diversification and individualization of the costume escaped from the past traditional idea, but also at the same time prepared modern costume with the moment to develop as a formative arts.

• Journal of the Korean Society of Costume
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• v.53 no.8
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• pp.91-104
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• 2003

This study describes not only meaning of transformable, i.e., new paradigm being expanded since the 1990's, but also nomadic thoughts being formation background of transformable. In this study, the concept of ‘transformable’ has dictionary definition and theoretical background expressing art, architecture and products, etc. The author has examined relations between nomadic thoughts and ‘transformable clothing’ by investigating the works of transformable clothing designers including Lucy Orta. The ‘transformable clothing’ means ‘clothing being transformable to meet some purposes’. Considering nomadic thoughts, 1.e., one of formation of transformable, the transformable clothing with nomadic thoughts can be transformed in various ways by usefulness and removal. The clothing has features of removal, escape and protection and has the values that can adapt itself to social circumstance and environment through the module system of separation, taking to pieces and assembling, etc. to suggest resonable clothing. Such a clothing cannot be settled down so that it shall be developed to let modern people move continuously as the 21th century nomad between real world and virtual world. However, this study did not examine internal meaning sufficiently because of main investigation objects of external expression, and was limited to nomadic thought at formation background. To improve such things, another study will be made in the future.

• The Transactions of the Korea Information Processing Society
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• v.5 no.5
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• pp.1204-1215
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• 1998

In this paper, we propose a scenario representing method, a specification language, and a verification technique for OARTS(Object based Approach for Real-Time Systems). As well as the general modeling method(event trace diagram), this study includes a specification language and a verification technique because there was no study about methodological level technique for scenario development as yet. Centering around the synchronization problem of transition of external modules which are the communication interfaces based on the objects, we lay stress on the representation of sequence of external events and internal action transitions. From the results of practical experiences, it has been ascertained that the proposed method reflect well the requirements in the analysis step, and its validity of the representation has been identified by a conceptual verifier. We support that it can serve as an analyzing tool for representing a general real-time scenarios also.